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Colloidal Gold Ink for Electronics

Colloidal gold particles in solvent base for printing conductive circuits on flexible substrates. HTS 2843.10.00.00 as bulk colloidal precious metal, not yet printed.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5.5%+35.0%40.5%
🇲🇽Mexico5.5%+10.0%15.5%
🇨🇦Canada5.5%+10.0%15.5%
🇩🇪Germany5.5%+10.0%15.5%
🇯🇵Japan5.5%+10.0%15.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3824.99Lower: 15% vs 40.5%

If as conductive paste or ink preparation

Formulated inks with binders classify as chemical preparations.

8543.70Lower: 12.6% vs 40.5%

If printed electrical circuits

Finished printed articles go to electrical machinery chapter.

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Import Tips & Compliance

• Specify as chemical intermediate, not finished ink if purely colloidal

• VOCs compliance for solvent-based imports

• Particle size cert for nano-specific regulations

Related Products under HTS 2843.10.00.00

Colloidal Gold Solution

A stable suspension of gold nanoparticles in water or other solvent, used in medical diagnostics and nanotechnology applications. Classified under HTS 2843.10.00.00 as colloidal precious metals because it consists of finely divided gold particles dispersed in a liquid medium, meeting the definition of a colloid.

Colloidal Silver Suspension

Liquid dispersion of silver nanoparticles for antimicrobial applications in supplements and wound dressings. Falls under HTS 2843.10.00.00 as it is a colloidal form of the precious metal silver, with particles suspended without settling.

Colloidal Platinum Dispersion

Aqueous suspension of platinum nanoparticles employed as a catalyst in chemical reactions and fuel cells. Classified in HTS 2843.10.00.00 due to its colloidal precious metal composition, where platinum particles are evenly dispersed.

Colloidal Palladium Solution

Stable liquid colloid of palladium nanoparticles used in hydrogenation catalysis and electronics. HTS 2843.10.00.00 applies as it is a dispersion of precious metal palladium in colloidal form.

Colloidal Gold Diagnostic Reagent

Gold nanoparticle colloid conjugated with antibodies for lateral flow assays in pregnancy tests. Remains under HTS 2843.10.00.00 if imported as bulk colloid prior to conjugation.

Colloidal Silver Nanoparticles

Water-based colloid of silver nanoparticles for textile antimicrobial treatments. HTS 2843.10.00.00 covers this as a precious metal colloid used industrially.